1065100065 has 16 divisors (see below), whose sum is σ = 1804405248. Its totient is φ = 534638336.

The previous prime is 1065100063. The next prime is 1065100079. The reversal of 1065100065 is 5600015601.

It is a cyclic number.

It is not a de Polignac number, because 1065100065 - 2¹ = 1065100063 is a prime.

It is a super-2 number, since 2×1065100065² = 2268876296926008450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065100063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2088177 + ... + 2088686.

It is an arithmetic number, because the mean of its divisors is an integer number (112775328).

Almost surely, 2^1065100065 is an apocalyptic number.

1065100065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1065100065 is a deficient number, since it is larger than the sum of its proper divisors (739305183).

1065100065 is a wasteful number, since it uses less digits than its factorization.

1065100065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176888.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1065100065 is about 32635.8708325670. The cubic root of 1065100065 is about 1021.2454557601.

Adding to 1065100065 its reverse (5600015601), we get a palindrome (6665115666).

The spelling of 1065100065 in words is "one billion, sixty-five million, one hundred thousand, sixty-five".